202012010221193 has 2 divisors, whose sum is σ = 202012010221194. Its totient is φ = 202012010221192.

The previous prime is 202012010221169. The next prime is 202012010221237. The reversal of 202012010221193 is 391122010210202.

202012010221193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198608900279689 + 3403109941504 = 14092867^2 + 1844752^2 .

It is a cyclic number.

It is not a de Polignac number, because 202012010221193 - 2⁴² = 197613963710089 is a prime.

It is a super-3 number, since 3×202012010221193³ (a number of 44 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (202012010221103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006005110596 + 101006005110597.

It is an arithmetic number, because the mean of its divisors is an integer number (101006005110597).

Almost surely, 2^{202012010221193} is an apocalyptic number.

It is an amenable number.

202012010221193 is a deficient number, since it is larger than the sum of its proper divisors (1).

202012010221193 is an equidigital number, since it uses as much as digits as its factorization.

202012010221193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 202012010221193 its reverse (391122010210202), we get a palindrome (593134020431395).

The spelling of 202012010221193 in words is "two hundred two trillion, twelve billion, ten million, two hundred twenty-one thousand, one hundred ninety-three".